.assinatura{
    display:inline-block;
    position:relative;
    width:45px;
    height:38px;
    outline:0;
    text-decoration:none;
    z-index:10;
    text-align:center
}
.assinatura.left:first-of-type,.assinatura.right:last-of-type{
    z-index:11
}
.assinatura .over{
    position:absolute;
    top:20px;
    width:0;
    height:0;
    margin:0 25px;
    transition:.2s ease-in-out;
    background-size:100% 100%;
    transition-timing-function:ease-in
}
@media (min-width:991px){
    .assinatura:hover .over{
        top:-255px;
        width:330px;
        height:294px;
        margin:0 -13px;
        transition:.3s ease-in-out
    }
    .assinatura.center:hover .over{
        margin:0 -145px
    }
}
.assinatura.center .over,.assinatura.left .over{
    left:0
}
.assinatura.right .over{
    right:0
}
@media (min-width:991px){
    #assinatura-pa:hover .over{
        top:-128px;
        width:294px;
        height:179px
    }
    #assinatura-pa.center:hover .over{
        margin:0 -127px
    }
}